pytest-subtests
unittest subTest() support and subtests fixture.
This pytest plugin was generated with Cookiecutter along with @hackebrot’s cookiecutter-pytest-plugin template.
Features
Adds support for TestCase.subTest.
New subtests fixture, providing similar functionality for pure pytest tests.
Installation
You can install pytest-subtests via pip from PyPI:
$ pip install pytest-subtests
Usage
unittest subTest() example
import unittest
class T(unittest.TestCase):
def test_foo(self):
for i in range(5):
with self.subTest("custom message", i=i):
self.assertEqual(i % 2, 0)
if __name__ == "__main__":
unittest.main()Output
λ pytest .tmp\test-unit-subtest.py
======================== test session starts ========================
...
collected 1 item
.tmp\test-unit-subtest.py FF. [100%]
============================= FAILURES ==============================
_________________ T.test_foo [custom message] (i=1) _________________
self = <test-unit-subtest.T testMethod=test_foo>
def test_foo(self):
for i in range(5):
with self.subTest('custom message', i=i):
> self.assertEqual(i % 2, 0)
E AssertionError: 1 != 0
.tmp\test-unit-subtest.py:9: AssertionError
_________________ T.test_foo [custom message] (i=3) _________________
self = <test-unit-subtest.T testMethod=test_foo>
def test_foo(self):
for i in range(5):
with self.subTest('custom message', i=i):
> self.assertEqual(i % 2, 0)
E AssertionError: 1 != 0
.tmp\test-unit-subtest.py:9: AssertionError
================ 2 failed, 1 passed in 0.07 seconds =================subtests fixture example
def test(subtests):
for i in range(5):
with subtests.test(msg="custom message", i=i):
assert i % 2 == 0Output
λ pytest .tmp\test-subtest.py
======================== test session starts ========================
...
collected 1 item
.tmp\test-subtest.py .F.F.. [100%]
============================= FAILURES ==============================
____________________ test [custom message] (i=1) ____________________
def test(subtests):
for i in range(5):
with subtests.test(msg='custom message', i=i):
> assert i % 2 == 0
E assert (1 % 2) == 0
.tmp\test-subtest.py:4: AssertionError
____________________ test [custom message] (i=3) ____________________
def test(subtests):
for i in range(5):
with subtests.test(msg='custom message', i=i):
> assert i % 2 == 0
E assert (3 % 2) == 0
.tmp\test-subtest.py:4: AssertionError
================ 2 failed, 1 passed in 0.07 seconds =================Contributing
Contributions are very welcome. Tests can be run with tox.
License
Distributed under the terms of the MIT license, “pytest-subtests” is free and open source software
Issues
If you encounter any problems, please file an issue along with a detailed description.
1 maintainer
Release files for pytest-subtests 0.15.0
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| pytest_subtests-0.15.0.tar.gz | 18.5 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| pytest_subtests-0.15.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 27.7 kB
Release files / pytest_subtests-0.15.0.tar.gz
| Download URL | pytest_subtests-0.15.0.tar.gz |
|---|---|
| Size | 18.5 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
cb495bde05551b784b8f0b8adfaa27edb4131469a27c339b80fd8d6ba33f887c
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| Uploaded via |
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Transparency logRelease files / pytest_subtests-0.15.0-py3-none-any.whl
| Download URL | pytest_subtests-0.15.0-py3-none-any.whl |
|---|---|
| Size | 9.2 kB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
da2d0ce348e1f8d831d5a40d81e3aeac439fec50bd5251cbb7791402696a9493
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BLAKE2b-256 checksum How to use checksums |
2364bba465299b37448b4c1b84c7a04178399ac22d47b3dc5db1874fe55a2bd3
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
| Uploaded via |
twine/6.1.0 CPython/3.13.7
|
Provenance
Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.
PyPI Publish Attestation
PyPI verified that this artifact, at this checksum, originated from the publisher listed below.
Signed by GitHub Actions, verified by PyPI on Oct 20, 2025.
Transparency log
